参数资料
型号: LIS35DE
厂商: STMICROELECTRONICS
元件分类: 模拟信号调理
英文描述: SPECIALTY ANALOG CIRCUIT, PBGA14
封装: 3 X 5 MM, 0.92 MM HEIGHT, 0.80 MM PITCH, GREEN, PLASTIC, LGA-14
文件页数: 4/39页
文件大小: 650K
代理商: LIS35DE
Mechanical and electrical specifications
LIS35DE
12/39
Doc ID 15594 Rev 1
2.3.2
I2C - Inter IC control interface
Subject to general operating conditions for Vdd and top.
Figure 4.
I2C Slave timing diagram (b)
Table 6.
I2C slave timing values
Symbol
Parameter
I2C standard mode (1)
I2C fast mode (1)
Unit
Min
Max
Min
Max
f(SCL)
SCL clock frequency
0
100
0
400
KHz
tw(SCLL)
SCL clock low time
4.7
1.3
s
tw(SCLH)
SCL clock high time
4.0
0.6
tsu(SDA)
SDA setup time
250
100
ns
th(SDA)
SDA data hold time
0.01
3.45
0.01
0.9
s
tr(SDA) tr(SCL)
SDA and SCL rise time
1000
20 + 0.1Cb
(2)
300
ns
tf(SDA) tf(SCL)
SDA and SCL fall time
300
20 + 0.1Cb
(2)
300
th(ST)
START condition hold time
4
0.6
s
tsu(SR)
Repeated START condition
setup time
4.7
0.6
tsu(SP)
STOP condition setup time
4
0.6
tw(SP:SR)
Bus free time between STOP
and START condition
4.7
1.3
1.
Data based on standard I2C protocol requirement, not tested in production
2.
Cb = total capacitance of one bus line, in pF
b.
Measurement points are done at 0.2Vdd_IO and 0.8Vdd_IO, for both port
SDA
SCL
tf(SDA)
tsu(SP)
tw(SCLL)
tsu(SDA)
tr(SDA)
tsu(SR)
th(ST)
tw(SCLH)
th(SDA)
tr(SCL)
tf(SCL)
tw(SP:SR)
START
REPEATED
START
STOP
START
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